Recent Exploration in Peru

Lodgepole Pine

Receptacles of Quartz and their uses in Chemistry

Our Sun and “Weather.”—II

Luminous Organs of Deep-Sea Fishes

The Nationality of Fishes

Variable Stars

The Plant of the New Electric Railroad up Mount Vesuvius

By the English Correspondent of the Scientific American

Growth of the use of Incandescent Gas

Turkish Preparations from Grape Juice

The Man and the Ship

Workingmen's Insurance in Germany

The Westinghouse Direct-Current Integrating Wattmeter

A New Automatic Match-Making Machine

Recent Gas and Oil Engine Developments

Contemporary Electrical Science

Engineering Notes

Science Notes

Electrical Notes

Trade Notes and Recipes

Patents!